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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryEnergy & Environment

Energy & Environment

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9'016 companies found

Erik Arnold GmbH Energie am Bau Logo

Erik Arnold GmbH Energie am Bau 

Flüelen · Since 2006

The core activity of Erik Arnold GmbH is energy consulting and planning for buildings, particularly in the areas of energy efficiency and sustainability. The company offers services such as neutral energy consulting, energetic condition analyses, renovation concepts, energy planning, optimization of energy consumption and operating costs, as well as consulting on the implementation of energy projects.

Technical Consulting & EngineeringSustainability Sector
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ERM Group AG Logo

ERM Group AG 

Schaffhausen · Since 2007

The core activity of ERM Group AG is the development and application of environmentally friendly technologies for the extraction and processing of metals, particularly through recycling and the use of secondary deposits. The company focuses on the use of green technologies that do not use chemicals, in order to minimize environmental impact.

Sustainability Sector
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Ernährungswerkstatt - Mario Faulstich Logo

Ernährungswerkstatt - Mario Faulstich 

Lützelflüh-Goldbach · Since 2022

The core activity of the company "Ernährungswerkstatt" is to promote sustainable and regenerative nutrition through the cultivation of healthy food in an experimental garden project called "Stelzegarte". This includes the application of permaculture principles, the creation of a living ecosystem, and the production of high-quality, nutrient-rich food. Additionally, the company also offers consulting and inspiration for a constructive diet and self-sufficiency.

Sustainability Sector
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Erneuerbare Zukunft Holding AG Logo

Erneuerbare Zukunft Holding AG 

Adliswil · Since 2022

The core activity of the company 'Erneuerbare Zukunft Holding' is to provide holistic energy solutions, particularly in the field of renewable energies. This includes: planning and installation of photovoltaic systems, installation of battery storage systems, charging solutions for e-mobility, development of ZEV and vZEV models (association for self-consumption and virtual association for self-consumption), promotion of local energy communities (LEG), trading of solar power, and electricity billing. The company offers these solutions to businesses, industry, and private individuals, aiming to optimize their energy efficiency and independence, and contribute to climate protection and a sustainable energy future.

Solar & Photovoltaics
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Erte Ingénieurs Conseils SA Logo

Erte Ingénieurs Conseils SA 

Carouge Ge · Since 1990

The core activity of ERTE Consulting Engineers AG is the planning, consulting and implementation of innovative energy concepts in the field of building technology, particularly in the areas of heating, ventilation, air conditioning, solar energy and earth-to-air heat exchangers. The company offers services from conception to maintenance and focuses on the development of environmentally friendly and efficient solutions for private and public construction projects.

Technical Consulting & EngineeringSolar & Photovoltaics
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ESG Consulting Roscoe Logo

ESG Consulting Roscoe 

Wil Sg · Since 2017

ESG Consulting Roscoe is a management consultancy that helps businesses implement sustainability and environment, social and governance (ESG) programmes. Services include developing and embedding sustainability strategy, stakeholder and investor communications, and organisational resilience work such as risk assessment, issues and crisis management, and business ethics.

Management ConsultingSustainability Sector
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ESGNext GmbH Logo

ESGNext GmbH 

Baar · Since 2021

The core activity of ESGNext is Sustainability Consulting, particularly in the area of ESG (Environmental, Social and Governance) Reporting, Assurance, Governance, Risk & Compliance, Communication Services and Research & Training, with a special focus on China expertise.

Sustainability Sector
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eSMART Technologies SA Logo

eSMART Technologies SA 

Renens Vd · Since 2011

The core activity of eSMART Technologies Ltd is the development and provision of technologies and solutions for intelligent building management and automation, particularly in the areas of energy efficiency and simplified technical architecture for real estate professionals and private individuals.

Sustainability Sector
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E-Sol Energy Solutions Hugo Campos Fonseca Logo

E-Sol Energy Solutions Hugo Campos Fonseca 

Winterthur · Since 2024

The core activity of E-Sol Energy Solutions is the planning, installation, maintenance and consulting of photovoltaic systems, storage and energy management systems for private and commercial customers.

Solar & Photovoltaics
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esolva ag, Zweigniederlassung Arbon Logo

esolva ag, Zweigniederlassung Arbon 

Arbon · Since 2013

esolva ag, Zweigniederlassung Arbon provides services for the energy and industrial sectors, including engineering, meter management, metering-data and energy-data management, electrical safety, billing and customer-centre services, and ICT support.

Energy Suppliers
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esolva ag, Zweigniederlassung Bever Logo

esolva ag, Zweigniederlassung Bever 

Bever · Since 2020

esolva ag, Zweigniederlassung Bever is a branch of esolva ag providing services for energy suppliers and industrial clients. Its offerings include engineering (network planning, operation and maintenance), meter management, meter-data and energy-data management, billing and customer-center services, finance, ICT and electrical safety services.

Energy Suppliers
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esolva ag Logo

esolva ag 

Weinfelden · Since 2005

esolva ag is a service provider for the energy and industrial sector. Its services include engineering, meter management, metering- and energy-data management, billing and customer-centre functions, as well as electrical safety, ICT and finance services, delivered via full-service and ASP/SaaS models.

Energy Suppliers
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esolva ag, Zweigniederlassung Landquart Logo

esolva ag, Zweigniederlassung Landquart 

Landquart · Since 2019

esolva ag, Zweigniederlassung Landquart provides services for the energy and industrial sector, including engineering, meter management (meter-to-cash), measurement and energy data management, electrical safety, billing and customer-center services, as well as finance and ICT services.

Energy Suppliers
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ESOTEC GmbH Logo

ESOTEC GmbH 

Innertkirchen · Since 1995

The core activity of esotec GmbH is the planning, installation and maintenance of energy and water supply systems for buildings in the Alpine region, particularly in remote areas without connection to the public utility grid. The services include the areas of photovoltaics, solar thermal energy, small hydroelectric power plants, drinking water supply, wastewater and sewage disposal, as well as mini combined heat and power plants. In addition, the company also offers general contractor services for new construction and renovation projects.

Solar & Photovoltaics
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Espace libre SA Logo

Espace libre SA 

St-Blaise · Since 2020

The core activity of Espace libre SA is the planning, consulting and support of territorial development, particularly in the areas of: territorial planning, tourism planning, mobility, environment, support for project owners (AMO), and communication and participation. The company supports public and private stakeholders in the development of harmonious living spaces that are in tune with nature.

Sustainability Sector
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Esprit Energie Sàrl Logo

Esprit Energie Sàrl 

Saxonne (Ayent) · Since 2010

The core activity of Esprit Energie Sàrl is the planning and implementation of energy-efficient and sustainable construction projects, particularly in the field of Minergie and CECB standard buildings, as well as consulting and implementing projects in the field of renewable energy and sustainable development.

Technical Consulting & EngineeringSolar & Photovoltaics
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Esquisse Solaire Sàrl Logo

Esquisse Solaire Sàrl 

Bussigny · Since 2018

Esquisse Solaire Sàrl is a consultancy specialising in BIPV (Building Integrated Photovoltaics) that advises on the architectural integration of solar energy into buildings. The company conducts studies for roofs and façades (sizing, cost and yield estimates, product recommendations, connections to installers) and supplies Esquisse Glass™, a coloured glass for photovoltaic façades based on a patent‑pending optical interference technology.

Solar & Photovoltaics
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ESRJ Energy et services Sàrl Logo

ESRJ Energy et services Sàrl 

Lausanne · Since 2024

ESRJ Energy et services Sàrl is a company operating in the energy sector, with a focus on electricity. It provides power trading in partnership with Services Industriels de la ville de Lugano (AIL), designs and installs solar generation systems, and offers advisory and strategic support services.

Energy SuppliersSolar & Photovoltaics
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essbar + achtsam GmbH Logo

essbar + achtsam GmbH 

Bern · Since 2021

The company's core activity is the organization of events and courses, as well as the sale of products in the field of water treatment and refinement, particularly "living water" that has been restored to its original state.

Sustainability Sector
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EssenceDirect GmbH Logo

EssenceDirect GmbH 

Winkel · Since 2008

The company's core activities are: 1. Development of plantations and irrigation systems 2. Development of low-carbon processing technologies 3. Training and consulting of farmers 4. Business development and export promotion 5. Trade in essential oils, particularly from Indonesia, in accordance with the principles of fair trade and organic farming. The two main business areas are: 1. Development of consulting services 2. Trade in essential oils.

Sustainability Sector
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ESS EnergieService Schweiz GmbH Logo

ESS EnergieService Schweiz GmbH 

Aarau · Since 2024

ESS EnergieService Schweiz GmbH provides tailored residential solar energy solutions, including consultation, site and consumption assessment, system planning, component supply, installation and commissioning. The company coordinates delivery and installation with Swiss specialist partners and states the use of tested components with performance warranties.

Electrical Planning & InstallationSolar & Photovoltaics
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Essere SA Logo

Essere SA 

Uster · Since 1988

Essere SA is the provider of Umweltgemeinde, a consulting service for municipal and public administrations. The service offers professional advice on environmental protection, waste management, environmental education and event concepts, including consultancy subscriptions.

Sustainability Sector
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e-sunpark swiss SA Logo

e-sunpark swiss SA 

Rances · Since 2018

The core activity of e-sunpark is the development and distribution of solutions for electromobility and renewable energies, particularly in the following areas: Solar energy: development and distribution of solar roof systems and photovoltaic systems Electromobility: development and distribution of charging stations for electric vehicles Energy efficiency: consulting and solutions for optimizing energy consumption and production The company also offers services such as consulting, planning and installation of solar energy and electromobility solutions.

Energy Suppliers
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e-swissolar AG Logo

e-swissolar AG 

Zug · Since 2006

The core activity of e-swissolar AG is the development and provision of innovative products and services for the energy industry, particularly in the field of renewable energies and decentralized energy generation. Specifically, this includes: * The development of customized technology-based infrastructures (hardware and software) for the renewable energy industry * The creation of decentralized energy networks based on blockchain technology * The development of financing solutions for utilities, cities and municipalities through the use of token economy and DeFi systems * The promotion of local energy markets and support for utilities, cities and municipalities in the energy transition.

Solar & Photovoltaics
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etb Elektroplanung GmbH Logo

etb Elektroplanung GmbH 

Amriswil · Since 2023

etb Elektroplanung GmbH provides electrical planning services, including building and area electrical design, fire-alarm and security system planning, and consultancy for photovoltaics, EV charging infrastructure and emergency power supplies. The company supports projects from feasibility studies, tender documentation and CAD execution plans through construction supervision, commissioning and integrated testing.

Technical Consulting & EngineeringElectrical Planning & InstallationSolar & Photovoltaics
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Etertub AG Logo

Etertub AG 

Bilten · Since 2003

The core activity of Etertub AG is the manufacture and supply of prefabricated structures and reservoir renovations for municipal water supply, particularly in the field of drinking water. This includes the planning, production, transportation, logistics and commissioning of containers and lining systems for water reservoirs. The company also offers on-site consulting services and individual solutions for customers.

Water SupplyMechanical Engineering Industry
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ETG Climate Solutions SA Logo

ETG Climate Solutions SA 

Nyon · Since 2023

ETG Climate Solutions SA develops and implements programs to reduce greenhouse gas emissions and promote circular-economy solutions, including carbon abatement, biomass valorization and plastic recycling. The business also supports agricultural decarbonization projects and programs for emerging farmers in sub-Saharan Africa.

Sustainability Sector
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Ethermo Sagl Logo

Ethermo Sagl 

Since 2018

The core activity of Ethermo is the provision of services in the field of heating and sanitary technology, particularly in the installation, maintenance and repair of heating systems, sanitary facilities and pools. Specific activities include: renovations and refurbishments, 24-hour repair services, installation and maintenance of heat pumps, and installation and maintenance of pools. The company thus offers a comprehensive range of services in the field of heating and sanitary technology and positions itself as a reliable partner for customers seeking a professional and efficient solution to their needs.

Plumbing & Building ServicesSolar & Photovoltaics
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ETI Umwelttechnik AG Logo

ETI Umwelttechnik AG 

Chur · Since 1982

The core activity of ETI Umwelttechnik is the remediation and disposal of environmental pollutants, particularly construction pollutants such as asbestos and PCBs (polychlorinated biphenyls), as well as the analysis and disposal of used oil and other chemicals. The company also offers services such as building checks, remediation planning, specialized construction management and indoor air quality measurements.

Waste Management Industry
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Eurasia Industries SA Logo

Eurasia Industries SA 

Geneva · Since 2006

The core activity of Eurasia Industries is the development and provision of solutions and technologies for various industries, particularly in the areas of: Environmental technology (wetland rehabilitation, water management, vertical farming), Renewable energies (biofuels, hydrogen technology), Plastics processing (PET processing, plastic-saving technologies), Biorefinery (production of synthetic aviation fuels), Advanced Materials (development of new materials), Process control and optimization. The company focuses on creating sustainable industrial ecosystems and supports the development of global value chains in the areas of industry, bioenergy, and agriculture.

Sustainability Sector
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European Industrial Insulation Foundation Logo

European Industrial Insulation Foundation 

Gland · Since 2009

The core activity of the European Industrial Insulation Foundation (EiiF) is to promote and carry out activities to improve energy efficiency and reduce CO₂ emissions through the improvement of industrial insulation. This includes in particular: conducting energy audits and analyses (TIPCHECK program), developing and providing digital tools for energy efficiency (e.g. Energy Efficiency Class Calculator), training and certifying professionals (TIPCHECK experts), promoting sustainable insulation systems for industrial and technical facilities, and conducting research and development work in the field of industrial insulation.

Sustainability Sector
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EMR Switzerland GmbH Logo

EMR Switzerland GmbH 

Cham · Since 2001

European Metal Recycling GmbH is a recycling company that buys and sells scrap metal and provides metal processing, logistics and recycling services, including handling end-of-life vehicles, cables, electrical appliances and batteries.

Waste Management IndustryMetal Industry
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European Outdoor Group Logo

European Outdoor Group 

Zug · Since 2005

The core activity of European Outdoor Group is to represent and promote the interests of the outdoor industry, particularly in the areas of sustainability and Corporate Social Responsibility (CSR). This includes activities such as organizing events, providing market analyses, and supporting member companies in implementing sustainability strategies. In contrast, FreyZein focuses on the development and production of sustainable cellulose materials for the textile industry, particularly for outdoor clothing. The core activity involves developing and manufacturing innovative materials that are both high-performance and environmentally friendly.

Sustainability Sector
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European Technology Chamber Logo

European Technology Chamber 

Zurich · Since 2018

The core activity of EUTECH is to promote sustainable technologies and digital transformation in various industries, particularly in the areas of renewable energy, green building and circular economy. The company connects technology leaders to develop solutions that align with the UN Sustainable Development Goals (SDGs) and provides platforms for exchange and collaboration between companies, policymakers and other stakeholders.

Sustainability Sector
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Euro Photovoltaik AG Logo

Euro Photovoltaik AG 

Rothenburg · Since 2008

Euro Photovoltaik AG plans, designs and implements photovoltaic systems and energy storage solutions, and provides maintenance, cleaning and service for PV installations. The company also installs heat pumps and offers roof leasing and roof-search services.

Solar & Photovoltaics
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Eusolar Energy Sagl Logo

Eusolar Energy Sagl 

Camorino · Since 2013

The core activity of EUSOLAR Energy Sagl is the planning and implementation of plants that utilize renewable energy sources, in particular: Photovoltaic systems (solar power), Solar thermal systems, Geothermal systems, Heat pumps, LED lighting, and Carport photovoltaic systems. The company also offers services such as energy certification, energy diagnosis, and energy audits. Additionally, it supports customers in accessing funding and incentives for the implementation of plants that utilize renewable energy sources.

Electrical Planning & InstallationSolar & Photovoltaics
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Evaarist SA Logo

Evaarist SA 

Sion · Since 2024

Evaarist SA is a specialist in the field of renewable energy and offers solutions for autonomous energy supply. The company's core activity includes the conception, planning and implementation of projects in the field of renewable energy, particularly in the areas of solar energy, heat production and energy efficiency. The company provides its services to both private households and businesses, as well as public institutions, and supports its customers in implementing projects that aim for sustainable and autonomous energy supply.

Solar & Photovoltaics
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EVAG AG Logo

EVAG AG 

Füllinsdorf · Since 2000

The core activity of EVAG AG is the disposal, recycling and treatment of waste, particularly sludge and other environmentally relevant materials. The company operates a waste treatment plant and offers services in the areas of plant construction, delivery and disposal of waste.

Waste Management Industry
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Even GmbH Logo

Even GmbH 

Zurich · Since 2014

The core activity of EVEN is transforming the hospitality industry and promoting a sustainable lifestyle through innovative solutions in the fields of nutrition and health. EVEN offers comprehensive services, including spatial design, hospitality concepts, food and health management, to enable a sustainable future of nutrition. The company is active in various areas, including coffee roasting (Coffeebond, Rose Coffee Roasters), gastronomy (Roots, Roots Kitchen, Collective Bakery) and partnerships with companies such as Balboa.

Sustainability Sector
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Evercraft Ecotechnologies AG Logo

Evercraft Ecotechnologies AG 

Baar · Since 2020

The core activity of EverCraft Ecotechnologies is the development and implementation of environmentally friendly technologies and projects, particularly in the field of renewable energies, such as photovoltaics, biogas plants and green hydrogen. The company also researches and develops new materials like carbon nanotubes, graphene and nano-batteries.

Sustainability Sector
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Everglow Moments KLG Logo

Everglow Moments KLG 

Rotkreuz · Since 2023

The core activity of the company everglow moments is the production and sale of handmade candles made from sustainable raw materials, particularly rapeseed wax, with a focus on environmental friendliness and health.

Sustainability Sector
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Evergreen Investment Partners AG Logo

Evergreen Investment Partners AG 

Baar · Since 2021

The core activity of Evergreen Investment Partners AG is the development, construction, financing and operation of solar energy and energy storage facilities, particularly in emerging markets. The company provides investment advisory services to financial institutions and supports them in originating, analyzing and negotiating investments in infrastructure projects, primarily in the field of renewable energy and electrical infrastructure.

Solar & Photovoltaics
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EVG Grächen AG Logo

EVG Grächen AG 

Grächen · Since 2004

The core activity of EVG Grächen is energy supply, particularly the production, distribution and sale of electrical energy, as well as the provision of district heating for the Grächen region. The company offers various energy products, such as "Blauer Strom", "NaturEnergie", "NaturEnergie solar" and "Grauer Strom", and operates an extensive supply network with medium and low-voltage cables, overhead lines, transformer and switching stations, as well as distribution cabinets.

Energy Suppliers
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EVOLAND SAGL Logo

EVOLAND SAGL 

Breganzona · Since 2021

The core activity of EVOLAND GmbH is consulting and developing sustainable solutions for the responsible management of natural resources, particularly in the areas of land use, nature conservation, and environmental management. This includes: Sustainable land development and management, Nature conservation and management, Preservation and enhancement of natural and cultural heritage, Environmental consulting and management, Development of innovative, environmentally friendly products and services. The company supports industries such as agriculture, food production, tourism, and industry in achieving an ecological and economic balance.

Sustainability Sector
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EVOLE Sàrl Logo

EVOLE Sàrl 

La Chaux-De-Fonds · Since 2015

The core activity of Evole Sarl is the development and implementation of solutions for water treatment, including the manufacture of water treatment plants, as well as the provision of services for the installation, maintenance and operation of these plants.

Sustainability Sector
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Evolium Technologies SA Logo

Evolium Technologies SA 

Sion · Since 2024

The core activity of Evolium Technologies is the development and manufacture of reusable batteries from recycled batteries of electric micromobility devices, which are converted into energy storage systems for renewable energies.

Sustainability Sector
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EVS Energieversorgung Schänis AG Logo

EVS Energieversorgung Schänis AG 

Schänis · Since 2002

The core activity of Energieversorgung Schänis AG (EVS) consists of planning, operating and maintaining the electrical distribution network and gas supply in the municipalities of Schänis, Rufi and Maseltrangen. This also includes providing electricity and gas products, installing and maintaining electrical systems, photovoltaic systems and e-charging stations, as well as advising and supporting the use of renewable energies.

Energy SuppliersSolar & Photovoltaics
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EVTL Energieversorgung Talschaft Lötschen AG Logo

EVTL Energieversorgung Talschaft Lötschen AG 

Wiler (Lötschen) · Since 2006

The core activity of EVTL Energie und Netze is the procurement, distribution and supply of electrical energy to consumers in the Lötschental region. This includes the maintenance and upkeep of low-voltage grids, transformer stations and the medium-voltage grid, as well as ensuring a safe and reliable energy distribution.

Energy Suppliers
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EVU Partners AG Logo

EVU Partners AG 

Aarau · Since 2010

The company is a consulting firm specializing in the areas of energy, transportation, and industry. The company's core activity is advising clients in these sectors, particularly in the areas of finance, transactions, regulation, and strategy. The company offers services such as coaching, sparring, project management, implementation, and operational support to support clients in solving complex challenges and achieving their goals.

Management ConsultingSustainability Sector
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ewb Natur Energie AG Logo

ewb Natur Energie AG 

Bern · Since 2009

Energy Suppliers
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.